Hand carved natural jadeite pendant, depicting dragon & phoenix. Dimension: 53 x 41 x 8 (mm) or 2.09 x 1.61 x 0.31 inches with total weight of 0.06 lbs/28 grams, no condition concerns. Introduction. Jadeite generally occurs in metamorphic rocks with a higher-pressure origin and is made of interlocking, blocky, granular crystal. The hardness of the Jadeite is usually between 6.5 to 7. The density of the Jadeite is between 3.25 to 3.36. Jadeite, compared to nephrite jade, commonly has a more sugary or granular texture, it appears in a number of colors. Jadeite became popular in late Qing Dynasty. Emerald-green jadeite, colored by chromium, is called imperial jade. The process of producing a Jadeite art craft is complicated, including cutting, grinding, and polishing by several experienced artists.